Experimental and numerical analyses of manufacturing process of a composite square box part: Comparison between textile reinforcement forming and surface 3D weaving

Wang, Peng; Legrand, Xavier; Boisse, Philippe; Hamila, Nahiene; Soulat, Damien

doi:10.1016/j.compositesb.2015.03.072

Cited by 49 publications

(30 citation statements)

References 49 publications

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“…On the other hand, depending on variations in the mold geometry and manufacturing parameters (applied blank-holder loads, tool type, friction, etc. ), forming of double-curved shapes may be difficult to control and can occasionally lead to defects such as wrinkling (out-of-plane deformation), in-plane misalignment, local fiber fracture, and inter-tow slippage [14,15]. Coping with these defects requires a detailed characterization of the given fabric under forming.…”

Section: Introductionmentioning

confidence: 99%

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Analysis of a two-way tension-shear coupling in woven fabrics under combined loading tests: Global to local transformation of non-orthogonal normalized forces and displacements

Kashani

Rashidi

Crawford

et al. 2016

Composites Part A: Applied Science and Manufacturing

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Section: Introductionmentioning

confidence: 99%

“…These equations in combination with Eqs. (11)-(14) give the on-axis net normalized forces in the most general form as a function of global forces applied to the balanced woven fabric. As a check point, by setting the value of 2£ ¼ 90 as well as a ¼ 0 in Eq.…”

mentioning

confidence: 99%

Analysis of a two-way tension-shear coupling in woven fabrics under combined loading tests: Global to local transformation of non-orthogonal normalized forces and displacements

Kashani

Rashidi

Crawford

et al. 2016

Composites Part A: Applied Science and Manufacturing

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“…As a consequence, another deformation mechanism appears and this one is characterised by out of plane deformation. During the square box forming, previous studies [19,51] about woven textile showed the high shear deformations on the lateral edges. With nonwoven fabric, as illustrated in Fig.…”

Section: Forming Defectsmentioning

confidence: 95%

“…Wrinkling. As one of the most common defects, wrinkling can be observed frequently in woven-textile reinforcement forming [19,28,50,51]. Boisse et al [28] have pointed out that wrinkling is a global phenomenon that depends on all strains and stiffnesses.…”

Section: Forming Defectsmentioning

confidence: 99%

Analysis of the deformability of flax-fibre nonwoven fabrics during manufacturing

Omrani

Wang

Soulat

et al. 2017

Composites Part B: Engineering

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The use of natural fibres for technical advanced products such as composites is widely increasing with the view to reduce the impact of the material throughout its life cycle on the environment. Some work has been performed on natural fibre based reinforcement textiles for composite materials. The mechanical and the formability behaviours of woven fabrics has particularly been characterised. However, few research work concerns the forming aptitude of nonwoven fabrics despite promising preliminary studies. In the present work, the mechanical characterizations of flax-fibre nonwoven reinforcements are carried out firstly. Then the forming tests of the nonwoven fabrics are performed to quantify their formability behaviour. The tensile and forming tests showed very different mechanical behaviours in comparison to the ones observed on woven fabrics due to the non-uniformity of nonwoven fabric. The high deformation potential of the nonwoven fabrics is established. The specific behaviour of the nonwoven fabrics is studied by analysing the local and global deformation mechanisms of the reinforcement during forming. Moreover, the manufacturing defects experienced in nonwoven fabric forming are demonstrated. The slippage/damage of network is a typical problem in the nonwoven fabric forming, which depends strongly on the fibre density (area density) of fabric and blank-holder pressure.

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“…These tools confer global tensile deformations at their vicinity and it was demonstrated that induced tensile forces in the fibre direction prevent wrinkling [14]. In the case of preforming tests on complex shapes of multilayer, which are the subjects of recent papers [2,[14][15][16], Nezami et al [17] underlined that, friction-based blank holders or other systems may reduce wrinkling, but induce other defects in the fabric, such as parallel fibre distortions without gaps, fibre distortions with small/large gaps, filament damage, broken or pulled out roving. Except for filament damage, these defects occur at the mesoscopic scale (tows, yarn).…”

Section: Introductionmentioning

confidence: 99%

Intra-ply yarn sliding defect in hemisphere preforming of a woven preform

Labanieh

Girard

Ouagne

et al. 2018

Composites Part A: Applied Science and Manufacturing

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Preforming is the first step to manufacture a complex composite part via Liquid Composite Moulding processes. The defects that may be encountered during this phase within the preform architecture may decrease the expected mechanical performances of the final part. The intra-ply yarn sliding is a defect frequently observed during preforming of a woven preform but its mechanism is far from being fully understood. The aim of this study is to analyse the mechanism of this defect arising when preforming of a carbon woven fabric into hemispheric shape. An experimental study followed by analytical analysis was performed to evaluate the effect of the process parameters, material properties and ply configuration conditions on the yarn tension and contact stresses. A significant effect of the yarn tension and the contact shear stresses on the defect occurrence was demonstrated. Based on this analysis, solutions were tested with success to prevent this defect.

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Experimental and numerical analyses of manufacturing process of a composite square box part: Comparison between textile reinforcement forming and surface 3D weaving

Cited by 49 publications

References 49 publications

Analysis of a two-way tension-shear coupling in woven fabrics under combined loading tests: Global to local transformation of non-orthogonal normalized forces and displacements

Analysis of a two-way tension-shear coupling in woven fabrics under combined loading tests: Global to local transformation of non-orthogonal normalized forces and displacements

Analysis of the deformability of flax-fibre nonwoven fabrics during manufacturing

Intra-ply yarn sliding defect in hemisphere preforming of a woven preform

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